Home / 11,001.22-15,180.74-6,220.91

Finding the Fourth Proportional to 11,001.22, 15,180.74 and 6,220.91

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Solution

The fourth proportional to 11,001.22, 15,180.74 and 6,220.91 is: 8,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,001.22 : 15,180.74 = 6,220.91 : x
  2. Step 2: Convert to fraction form
    11,001.22/15,180.74 = 6,220.91/x
  3. Step 3: Cross multiply
    11,001.22x = 15,180.74 × 6,220.91
  4. Step 4: Simplify right side
    11,001.22x = 94,438,086.29
  5. Step 5: Solve for x
    x = 94,438,086.29/11,001.22
  6. Step 6: Final answer
    x = 8,584.33

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.